feldspathoid
English edit
Alternative forms edit
Etymology edit
From German Feldspath (“feldspar”) + -oid.
Noun edit
feldspathoid (countable and uncountable, plural feldspathoids)
- (mineralogy) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group.
Hyponyms edit
Derived terms edit
Adjective edit
feldspathoid (not comparable)
- (mineralogy) Resembling a feldspar.